Annual report pursuant to Section 13 and 15(d)

Intangible Assets, Goodwill and Other (Tables)

v3.20.4
Intangible Assets, Goodwill and Other (Tables)
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Identifiable Intangible Assets [Table Text Block]
December 31,
(in thousands)
2020 2019
Intangible assets subject to amortization:
Patents and purchased technology $ 14,198  $ 14,198 
Customer relationships 23,000  23,000 
Gross carrying amount 37,198  37,198 
Accumulated amortization:
Patents and purchased technology (14,198) (13,311)
Customer relationships (17,363) (15,713)
Accumulated amortization (31,561) (29,024)
Net carrying amount 5,637  8,174 
Intangible assets not subject to amortization 97,921  115,421 
Intangible assets, net $ 103,558  $ 123,595 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
The following table presents the estimated annual amortization expense for the years 2021 through 2025:
(in thousands)
2021 $ 1,650 
2022 1,650 
2023 1,650 
2024 688 
2025 —